-93.27% is the change from 624 to 42
Calculation steps:
[( 42 - 624 ) ÷ 624] x 100 = -93.27%
Formula
Percentage change = [(42 - 624) / 624] x 100
Subtract the new number by the original number
42 - 624 = -582
-582 ÷ 624 = -0.9326923076923077
-0.9326923076923077 x 100 = -93.27%